Home / 31,004.12-42,784.79-17,576.61

Finding the Fourth Proportional to 31,004.12, 42,784.79 and 17,576.61

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Solution

The fourth proportional to 31,004.12, 42,784.79 and 17,576.61 is: 24,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,004.12 : 42,784.79 = 17,576.61 : x
  2. Step 2: Convert to fraction form
    31,004.12/42,784.79 = 17,576.61/x
  3. Step 3: Cross multiply
    31,004.12x = 42,784.79 × 17,576.61
  4. Step 4: Simplify right side
    31,004.12x = 752,011,479.88
  5. Step 5: Solve for x
    x = 752,011,479.88/31,004.12
  6. Step 6: Final answer
    x = 24,255.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.